CN2166876Y

CN2166876Y - Wet type dust-removing apparatus

Info

Publication number: CN2166876Y
Application number: CN 93216322
Authority: CN
Inventors: 李书筒
Original assignee: Individual
Current assignee: Individual
Priority date: 1993-06-16
Filing date: 1993-06-16
Publication date: 1994-06-01
Anticipated expiration: 2003-06-16

Abstract

The utility model relates to a wet type dust-removing apparatus, which is an energy-saving duster with miscellaneous functions. The wet type dust-removing apparatus can be widely used in the dust removing of the transfer systems of various materials at medium high dust emission points, the dust removing of various production lines with multi dust emission points and air cleaning treatments in various dust emission places. The wet type dust-removing apparatus comprises a venturi tube, a cyclone body, a wet cap, a foam dedusting chamber, a water blocking gate, a water supply system and an inducing draught device. The utility model has the advantages of reasonable structure, small energy consumption and high dedusting efficiency.

Description

Wet type dust-removing apparatus

The utility model relates to the dedusting that soars the dirt pits place on a kind of cleaner, particularly material-transporting system and the production line, and the clean clean processing of the air in all kinds of airborne dusts place.

For addressing this problem, usually select sack cleaner, cyclone dust collectors, gravel bed filter and all kinds of hydrofilters etc. for use, but these dedusters all have such or such problem, as need the big energy consumption of high wind speed with venturi scrubber, cyclone dust collectors only just have separating effect preferably to the bigger dust of particle diameter, though bubble dust collector can remove the fines of transferring 0.5 μ m following, the occasion that dust content is big is blocking microporous easily.

The purpose of this utility model is that above-mentioned deduster is optimized combination, obtains a kind of efficiency of dust collection height after improving, and energy consumption is low, adaptability is strong, the deduster of being convenient to promote.

The utility model is to realize like this, with airduct that Venturi tube top is connected in establish atomizer, water under high pressure sprays at a high speed through nozzle and becomes the atomic little globule, dust-contained airflow is behind the reducing pipe of Venturi tube, flow velocity is by anxious poly-50～60 meter per seconds of bringing up to of 15～16 meter per seconds, the kinetic energy of the grit in the dust-contained airflow also increases thereupon, the throat and the globule at Venturi tube carry out being rebuffed at a high speed and the bigger particle of formation weight, when these bigger grits tangentially enter when being attached thereto the cyclone dust collectors that connect with the speed of 30 meter per seconds, thrown to barrel by centrifugal force, the moisture film that flows down on the barrel is caught backlash lower shell lower end with it, be provided with water seal arrangement in the cylindrical shell lower end, the grit of heavy collection in water seal arrangement can be discharged by high pressure water washing at any time.A small amount of fine grit of not caught by cyclone dust collectors when upwards flowing with cyclone dust removal body center, is arranged on cyclone body and catches once again and flow in the water seal arrangement with the moisture film on the wet cap of expanding the tube junction.Enter the air-flow of expansion tube along the circular passage between wet cap and the expansion tube, its flow velocity is from poly-0.5 meter per second that drops to of 30 meter per seconds, when the air-flow of carrying the minute quantity grit secretly slowly rises in the expansion tube, caught by the water curtain that from the foam dust-removing chamber that is located at expansion tube middle part, flows down for the third time.When the foaming plate that passes the foam dust-removing chamber when air-flow entered the foam dust-removing chamber, the foam that is seethed with excitement is last thoroughly to be purified.Be located at the water blocking grating at expansion tube top, can reduce the water content in the air-flow.Blower unit is the power source of whole deduster, and the air quantity of its blower fan can be from 2000～5000m ²In/time, blast can form the negative pressure of system by it from 2.0 to 3.5KPa, with above-mentioned this deduster of dust-contained airflow suction, enters atmosphere after repeatedly purifying.

The utility model is got smaller value with Wen's deduster throat air speed value, reduced the resistance of deduster, thereby reduced energy consumption, if the effect of cyclone dust removal body is to quicken dust-contained airflow to be rotated down, improve efficiency of dust collection, if the effect of wet cap is except further catching the part grit, it mainly acts on is diffusion and change air flow direction, prevent to form the cavity, if the effect of foam dust-removing chamber is to remove the fine grit of carrying secretly in the air-flow, if the effect of water blocking grating is to prevent that the globule from spraying outward, improve the service life of blower unit.

Concrete structure of the present utility model is provided by following examples and accompanying drawing thereof.

Fig. 1 is according to the poly-structure chart that revolves wet scrubber that the utility model proposes.

Describe the details and the working condition thereof of concrete device of the present utility model in detail below in conjunction with Fig. 1.

This device comprises airduct 1, atomizer 2, Venturi tube 3, water supply system 4, water blocking grating 5, ring sparger 6, foam dust-removing chamber 7, foaming plate 8, expansion tube 9, wet cap 10, cyclone dust removal body 11, water seal arrangement 12 and blower unit 13.

Airduct 1 is connected with Venturi tube 3, establish atomizer 2 on the top of Venturi tube 3, water under high pressure can be sprayed at a high speed from atomizer 2, make it form the small globule, when dust-contained airflow behind the reducing pipe of Venturi tube 3, flow velocity is by 15～16 meter per seconds, anxious poly-bring up to 50～60 meter per seconds at this moment the kinetic energy of the grit in the dust-contained airflow also increase thereupon, the throat and the globule at Venturi tube 3 carry out high velocity impact and have formed bigger grit, these grits tangentially enter cyclone dust removal body 11 with 30 meter per second speed, and the moisture film that quilt flows down along barrel rushes at the water seal arrangement 12 that links to each other with cyclone dust removal body 11 bottoms so that discharge, when a small amount of fine grit at large upwards flows, for making its flow velocity be reduced to 0.5 meter per second, establish expansion tube 9 on cyclone dust removal body 11 tops, for the progressive part grit of catching, diffusion and change airflow direction, prevent the cavity, establish wet cap 10 in the cyclone body 11 and the junction of expansion tube 9, wet cap 10 is supplied water by water system 4, water flows down the formation moisture film along wet cap 10, enter water seal arrangement 12 after the fine grit of part caught, the central gas stream of cyclone dust removal body 11 is run into wet cap 10 backs and is changed direction, enter expansion tube 9 along the circular passage between wet cap 10 and the expansion tube 9, be provided with the foam dust-removing chamber of forming by foaming plate 8 and ring sparger 67 at the middle part of expansion tube 9, when the air-flow of carrying a small amount of fine grit secretly slowly rises in expansion tube 9, wherein the part grit is caught by the water curtain that flows down from the indoor ring sparger 6 of foam dust-removing again, the foaming plate 8 that 7 bottoms, foam dust-removing chamber are passed in air-flow continuation rising enters foam dust-removing chamber 7, wherein the subparticle of minute quantity is all caught by boiling froth bed in the foam dust-removing chamber 7 at last, and air is thoroughly purified like this.In order to remove the moisture content in the air-flow, be provided with water blocking grating 5 at expansion tube top, the moisture content that is blocked also flows to water seal arrangement 12 and discharges.During the utility model work, open water system 4 earlier, and start blower unit 13, to realize the purpose of dedusting air cleaning.

The blower fan of blower unit 13 can be got 5000m ²/ time, the desirable one-tenth of blast 3.5KPa.

Claims

1, a kind of poly-wet scrubber that revolves of being furnished with blower unit is characterized in that, it is equipped with airduct (1), Venturi tube (3), cyclone dust removal body (11), water seal arrangement (12), expansion tube (9), water system (4).

2, according to claim 1 gathering revolved wet scrubber, it is characterized in that on the top of Venturi tube (3) atomizer (2) being housed.

3, according to claim 1 gathering revolved wet scrubber, it is characterized in that in the expansion tube (9) and the junction of cyclone dust removal body (11) wet cap (10) being housed.

4, according to claim 1 gathering revolved wet scrubber, it is characterized in that at the top of expansion tube (9) water blocking grating (5) being housed.

5, according to claim 1 gathering revolved wet scrubber, it is characterized in that at the middle part of expansion tube (9) foam dust-removing chamber (7) being arranged.

6, according to claim 5 gathering revolved wet scrubber, it is characterized in that being equipped with in the foam dust-removing chamber foaming plate (8) and ring sparger (6).